Dermatologists weigh in on the best L-ascorbic acid serums for glowing skin. Shop top-rated vitamin C serums from ...

or the orange powder packets that float around during cold and flu season. Vitamin C, or ascorbic acid, is found in those fruits, but it’s also on shelves in serums or supplements for skin and ...

If you're still interested in a vitamin C supplement, the best form to take is synthetic ascorbic acid and the presentation ...